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US 8,785,096 B1Granted
Toner additives
AssigneeXerox Corporation
InventorsPadam K. Angra, Richard P. Veregin
Life of this patent
Estimating the term…
Abstract
The disclosure relates generally to toner additives, and in particular, toner additives that provide desired higher and stable toner charge. The toner additives comprise silica nanotubes in combination with or in place of the commonly used silica or titania particulate additives.
Claims20
A toner composition comprising:
- toner particles comprising a resin and a colorant;
- and
- one or more surface additives applied to a surface of the toner particles, the one or more surface additives comprising silica nanotubes.
A toner composition comprising:
- toner particles comprising a resin and a colorant;
- and
- one or more surface additives applied to a surface of the toner particles, the one or more surface additives comprising silica nanotubes, wherein the toner composition has a high charge of from about −15 microcoulomb per gram to about −80 microcoulomb per gram and a low relative humidity sensitivity ratio of from about 1 to about 2.
A developer comprising:
- a toner composition;
- and
- a toner carrier, wherein the toner composition comprises
- toner particles comprising a resin and a colorant, and
- one or more surface additives applied to a surface of the toner particles, the one or more surface additives comprising silica nanotubes.
2 more elements
Dependencies are inferred from the claim text.